:root { --action: 14px; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 10; background: var(--fil-paper); color: var(--fil-ink); padding: var(--s3); }
.hero-pause { position: absolute; bottom: var(--s12); left: var(--s10); z-index: 2; min-height: 44px; border: 0; background: var(--fil-paper); color: var(--fil-ink-muted); padding: var(--s2); font-size: var(--meta); }
.brand-mark--word { font-size: 24px; font-weight: 500; letter-spacing: -.04em; color: var(--fil-ink); opacity: var(--brand-opacity); }
.brand-study__caption { justify-content: flex-end; }
.discovery-field textarea { width: 100%; min-height: 64px; border: 1px solid var(--discovery-border); border-radius: 0; background: var(--discovery-field); color: var(--v-white); padding: var(--s2) var(--s3); font: inherit; resize: vertical; }
.discovery-field textarea:focus-visible { outline: 3px solid var(--fil-cyan); outline-offset: 3px; }
.discovery-form__status a { display: inline-flex; align-items: center; min-height: 44px; color: var(--fil-cyan-soft); }
@media (min-width: 1280px) { .hero-pause { left: max(var(--s10), calc((100% - var(--fil-content-width)) / 2)); } }
@media (max-width: 1000px) { .hero-pause { bottom: 4px; left: var(--s4); } }

.hero { justify-content: flex-start; gap: 0; padding-top: clamp(240px, 32svh, 420px); padding-bottom: 72px; }
.hero-top { display: grid; grid-template-columns: minmax(0, 1fr) 360px; align-items: start; gap: 64px; text-align: left; }
.hero h1 { max-width: 760px; font-size: 72px; line-height: .98; }
.hero p { width: 360px; margin: 0; font-size: 18px; line-height: 1.5; }
.hero-actions { justify-content: flex-end; margin-top: clamp(120px, 22svh, 290px); }
.hero .fil-registration { display: none; }
.hero canvas { height: 68%; mask-image: linear-gradient(transparent 20%, #000 65%); }
.case-card { padding-block: 44px; }
.tool-logo { display: block; width: var(--tool-icon); height: var(--tool-icon); object-fit: contain; }
.tool-logo--wide { width: calc(var(--tool-size) - var(--s2)); }
.tool-tile span { width: 92px; text-align: center; font-size: 11px; line-height: 1.15; }
.closing-card--photo { background-image: linear-gradient(var(--closing-photo-tint), var(--closing-photo-tint)), url('photos/office-towers.jpg'); }
.closing-study { --closing-travel: 180; --footer-travel: 100; --closing-duration: 650; }

.study-header .small-action,
.hero-actions .action-tile:not(.action-tile--dark),
.action-tile,
.method-card__link,
.benefit-action,
.finish-action,
.case-action,
.case-card--navy .case-action--primary,
.case-card--navy .case-action--secondary,
.case-card--blue .case-action--primary,
.case-card--blue .case-action--secondary,
.faq-grid__action,
.study-dialog__close,
.discovery-form__submit,
.discovery-form__reset {
  --fil-button-bg: var(--fil-cyan);
  --fil-button-fg: var(--fil-petrol-deep);
  --fil-button-hover-bg: var(--fil-petrol);
  --fil-button-hover-fg: var(--fil-ink-inverse);
  --fil-button-border: transparent;
  --fil-button-hover-border: transparent;
  border-color: var(--fil-button-border);
  background-color: var(--fil-button-bg);
  background-image: linear-gradient(to bottom, var(--fil-button-hover-bg) 0 50%, var(--fil-button-bg) 50% 100%);
  background-position: 0 100%;
  background-size: 100% 200%;
  color: var(--fil-button-fg);
  transition: background-position 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out, transform 160ms ease-out;
}
.study-header .small-action:hover,
.study-header .small-action:focus-visible,
.hero-actions .action-tile:not(.action-tile--dark):hover,
.hero-actions .action-tile:not(.action-tile--dark):focus-visible,
.action-tile:hover,
.action-tile:focus-visible,
.method-card__link:hover,
.method-card__link:focus-visible,
.benefit-action:hover,
.benefit-action:focus-visible,
.finish-action:hover,
.finish-action:focus-visible,
.case-action:hover,
.case-action:focus-visible,
.faq-grid__action:hover,
.faq-grid__action:focus-visible,
.study-dialog__close:hover,
.study-dialog__close:focus-visible,
.discovery-form__submit:hover:not(:disabled),
.discovery-form__submit:focus-visible:not(:disabled),
.discovery-form__reset:hover:not(:disabled),
.discovery-form__reset:focus-visible:not(:disabled) {
  border-color: var(--fil-button-hover-border);
  background-image: linear-gradient(to bottom, var(--fil-button-hover-bg) 0 50%, var(--fil-button-bg) 50% 100%);
  background-position: 0 0;
  background-size: 100% 200%;
  color: var(--fil-button-hover-fg);
  text-decoration: none;
}
.study-header .small-action:active,
.action-tile:active,
.method-card__link:active,
.benefit-action:active,
.finish-action:active,
.case-action:active,
.faq-grid__action:active,
.study-dialog__close:active,
.discovery-form__submit:active:not(:disabled),
.discovery-form__reset:active:not(:disabled) { transform: translateY(1px); }

.action-tile--dark,
.finish-action--navy,
.case-action--secondary {
  --fil-button-bg: var(--fil-petrol);
  --fil-button-fg: var(--fil-ink-inverse);
  --fil-button-hover-bg: var(--fil-cyan);
  --fil-button-hover-fg: var(--fil-petrol-deep);
}
.method-card__link,
.finish-action--white,
.case-card--navy .case-action--primary {
  --fil-button-bg: var(--fil-paper);
  --fil-button-fg: var(--fil-petrol);
  --fil-button-hover-bg: var(--fil-cyan);
  --fil-button-hover-fg: var(--fil-petrol-deep);
}
.case-card--navy .case-action--secondary {
  --fil-button-bg: var(--fil-cyan);
  --fil-button-fg: var(--fil-petrol-deep);
  --fil-button-hover-bg: var(--fil-paper);
  --fil-button-hover-fg: var(--fil-petrol);
}
.case-card--blue .case-action--primary {
  --fil-button-bg: var(--fil-petrol);
  --fil-button-fg: var(--fil-ink-inverse);
  --fil-button-hover-bg: var(--fil-paper);
  --fil-button-hover-fg: var(--fil-petrol);
}
.case-card--blue .case-action--secondary {
  --fil-button-bg: var(--fil-paper);
  --fil-button-fg: var(--fil-petrol);
  --fil-button-hover-bg: var(--fil-petrol);
  --fil-button-hover-fg: var(--fil-ink-inverse);
}
.study-dialog__close,
.discovery-form__reset {
  --fil-button-bg: transparent;
  --fil-button-fg: var(--fil-ink);
  --fil-button-hover-bg: var(--fil-cyan);
  --fil-button-hover-fg: var(--fil-petrol-deep);
  --fil-button-border: currentColor;
  --fil-button-hover-border: var(--fil-cyan);
}
.discovery-form__reset {
  --fil-button-fg: var(--fil-ink-inverse);
  --fil-button-border: var(--discovery-border);
}
.discovery-form__submit:disabled {
  background-image: none;
  background-color: var(--fil-button-bg);
  transform: none;
  transition: none;
}

.study-header nav { gap: 32px; }
.study-header nav > a { font-size: 14.5px; letter-spacing: .055em; text-transform: uppercase; }
.study-header .small-action { --fil-button-bg: var(--fil-cyan); --fil-button-fg: var(--fil-petrol-deep); }

.case-card--blue,
.closing-card--electric { background: var(--fil-cyan); color: var(--fil-petrol-deep); }
.closing-card--electric .eyebrow { color: var(--fil-petrol-deep); }
.case-card--blue .case-card__summary > p:last-child { color: color-mix(in srgb, var(--fil-petrol-deep) 78%, transparent); }
.case-card--blue :focus-visible,
.closing-card--electric :focus-visible { outline-color: var(--fil-petrol-deep); }
.client-study { --brand-space: 80px; --brand-window: 72px; --brand-gap: 72px; }
.brand-mark--client img { width: 160px; height: 64px; max-width: none; filter: none; opacity: 1; transform: none; object-fit: contain; }
.brand-mark--sncf img { width: 88px; }
.brand-mark--batribox img { width: 180px; }

@media (max-width: 1000px) {
  .client-study { --brand-space: 48px; }
  .study-header nav { gap: 16px; }
  .study-header nav > a { font-size: 12.5px; }
  .hero { justify-content: space-between; gap: var(--s10); padding-top: calc(var(--nav-height) + 72px); }
  .hero-top { display: flex; flex-direction: column; gap: var(--s6); text-align: left; }
  .hero h1 { font-size: 48px; line-height: 1.05; }
  .hero p { width: min(620px, 100%); font-size: var(--lead); line-height: 1.4; }
  .hero-actions { justify-content: flex-start; margin-top: 0; }
  .case-card { padding-block: var(--s8); }
  .closing-study { --closing-travel: 64; --footer-travel: 48; }
}
@media (max-width: 560px) {
  .study-header { gap: 12px; }
  .study-header nav { gap: 12px; }
  .study-header nav > a { font-size: 11.5px; letter-spacing: .035em; }
  .client-study { --brand-gap: 40px; }
  .brand-mark--client img { width: 128px; height: 56px; }
  .brand-mark--sncf img { width: 72px; }
  .brand-mark--batribox img { width: 160px; }
  .hero { padding-top: calc(var(--nav-height) + 72px); padding-bottom: var(--s12); }
  .hero h1 { font-size: 36px; line-height: 1.2; }
  .hero p { background: transparent; }
  .tool-tile span { width: 76px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .study-header .small-action,
  .action-tile,
  .method-card__link,
  .benefit-action,
  .finish-action,
  .case-action,
  .faq-grid__action,
  .study-dialog__close,
  .discovery-form__submit,
  .discovery-form__reset { transition: none; }
}

.brand-mark--mewe img { width: 64px; }
.brand-mark--evolon img { width: 200px; filter: brightness(0); }
@media (max-width: 560px) {
  .brand-mark--mewe img { width: 56px; }
  .brand-mark--evolon img { width: 160px; }
}